Vet's Best Natural Flea + Tick Home Spray, 32 oz, Kills fleas, ticks and mosquitoes on contact Kicks fleas out of the house. Our unique blend of Peppermint Oil and Clove Extract banishes fleas  and flea eggs  from pet Surroundings by killing them by contact. This safe, natural protective formula also leaves an invigorating, fresh scent. Kills fleas, ticks and mosquitoes on contact.